71631885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 59004915

約数列:

[1, 3, 5, 13, 15, 29, 39, 53, 65, 87, 145, 159, 195, 239, 265, 377, 435, 689, 717, 795, 1131, 1195, 1537, 1885, 2067, 3107, 3445, 3585, 4611, 5655, 6931, 7685, 9321, 10335, 12667, 15535, 19981, 20793, 23055, 34655, 38001, 46605, 59943, 63335, 90103, 99905, 103965, 164671, 190005, 270309, 299715, 367343, 450515, 494013, 823355, 1102029, 1351545, 1836715, 2470065, 4775459, 5510145, 14326377, 23877295, 71631885]

約数ペア:

[(1, 71631885), (3, 23877295), (5, 14326377), (13, 5510145), (15, 4775459), (29, 2470065), (39, 1836715), (53, 1351545), (65, 1102029), (87, 823355), (145, 494013), (159, 450515), (195, 367343), (239, 299715), (265, 270309), (377, 190005), (435, 164671), (689, 103965), (717, 99905), (795, 90103), (1131, 63335), (1195, 59943), (1537, 46605), (1885, 38001), (2067, 34655), (3107, 23055), (3445, 20793), (3585, 19981), (4611, 15535), (5655, 12667), (6931, 10335), (7685, 9321)]